package visitors;

import arbore.*;

public abstract class Visitor
{

	public abstract void visit (Nod n);
	public void visit (Frunza f)
	{
		System.out.print(f.toString());
	}
	public void visit (NodAbstract n)
	{
		if (n instanceof Nod)
			visit ((Nod)n);
		else if (n instanceof Frunza)
			visit ((Frunza)n);
		
	}
}
